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HD 4987


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A preliminary compilation of DS-programme star positions
A catalog is presented of the double-star-program (DS-program) starpositions, listing right ascensions for 930 DSs and declinations for1225 DSs of the program. The positions were compiled from the observedvalues obtained between 1980 and 1987 with the meridian circles of sixUSSR observatories (the Moscow, Kazan', Kiev, Khar'kov, Odessa, andTashkent Observatories) and the Belgrade Observatory. The measurementsand the treatment of the observational material were performed using therelative method, and the FK-4 system stars were used as reference stars.

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Observation and Astrometry data

Constellation:Baleine
Right ascension:00h51m50.53s
Declination:-08°09'56.6"
Apparent magnitude:8.246
Distance:140.449 parsecs
Proper motion RA:46.8
Proper motion Dec:35.5
B-T magnitude:8.993
V-T magnitude:8.308

Catalogs and designations:
Proper Names
HD 1989HD 4987
TYCHO-2 2000TYC 5270-576-1
USNO-A2.0USNO-A2 0750-00205539
HIPHIP 4044

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